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What is Free LLM API Resources?

Free LLM API Resources is a comprehensive, community-maintained directory of services that provide free access or trial credits for API-based Large Language Model (LLM) usage. This resource helps developers, researchers, and businesses experiment with and integrate AI capabilities without upfront costs.
Please don’t abuse these services - responsible usage ensures they remain available for everyone.

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Why Use This Resource?

Building with AI doesn’t have to be expensive. This curated list helps you:

Prototype Faster

Test multiple LLM providers and models without financial commitment

Compare Models

Evaluate different models side-by-side to find the best fit for your use case

Reduce Costs

Access powerful models from providers offering generous free tiers

Learn & Experiment

Build AI applications and learn without worrying about API costs

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Provider Categories

We organize providers into two main categories:

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Free Providers

These services offer ongoing free access with rate limits:
  • OpenRouter - 20+ free models including Llama 3.3 70B, Gemma 3, and Mistral Small
  • Google AI Studio - Gemini and Gemma models with generous token limits
  • Cerebras - Ultra-fast inference with models like Llama 3.3 70B and Qwen 3
  • Groq - Lightning-fast inference including Llama 4 models
  • GitHub Models - 40+ models including GPT-5, Claude, and DeepSeek-R1
  • Cloudflare Workers AI - 60+ models with 10,000 neurons/day
  • Cohere - Command models with 1,000 requests/month
  • Mistral - Access to Mistral’s proprietary and open models
  • NVIDIA NIM - Various optimized open models

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Trial Credit Providers

These services provide one-time credits to get started:
  • Baseten - $30 in credits
  • AI21 - $10 for 3 months (Jamba models)
  • Upstage - $10 for 3 months (Solar models)
  • NLP Cloud - $15 in credits
  • SambaNova Cloud - $5 for 3 months
  • Modal - 5/month,5/month, 30/month with payment method
Many providers offer OpenAI-compatible endpoints, making it easy to switch between providers without changing your code.

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What Makes a Provider “Legitimate”?

This list explicitly excludes services that:
  • Reverse engineer existing chatbots
  • Violate terms of service of other platforms
  • Use unauthorized access methods
All providers listed here offer official, legitimate API access with proper authorization and documentation.

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Key Features to Consider

When choosing a provider, consider:
  1. Rate Limits - Requests per minute/day and token limits
  2. Model Selection - Which models are available in the free tier
  3. Context Windows - Maximum input/output token capacity
  4. Data Privacy - Whether your data is used for training
  5. API Compatibility - OpenAI-compatible vs provider-specific SDKs
  6. Requirements - Phone verification, payment method on file, etc.
Some providers like Google AI Studio use your data for training unless you’re in the UK, Switzerland, EEA, or EU.
  • Chatbots & Assistants - Build conversational AI applications
  • Code Generation - Use specialized models like Codestral or DeepSeek Coder
  • Content Creation - Generate articles, summaries, and creative writing
  • Data Analysis - Extract insights from text and structured data
  • Translation - Multi-language support with models like Aya or Command Translate
  • Vision Tasks - Process images with multimodal models like Llama Vision or Gemini
  • Reasoning - Complex problem-solving with models like DeepSeek-R1 or o1

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Getting Started

Ready to start building? Check out our Quickstart guide to make your first API call in minutes.

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